concentration

A noun referring to the amount of a substance present in a given volume or mass of a mixture or solution, or the ability to focus one's attention on a particular task or subject.

ruСуществительное, обозначающее количество вещества в данном объёме или массе смеси или раствора, либо способность сосредоточивать внимание на определённой задаче или предмете.esSustantivo que denota la cantidad de una sustancia presente en un volumen o masa determinados de una mezcla o disolución, o la capacidad de centrar la atención en una tarea u objeto específicos.frNom désignant soit la quantité d'une substance dans un volume ou une masse donnés d'un mélange ou d'une solution, soit la capacité de fixer son attention sur une tâche ou un objet précis.deSubstantiv, das die Menge eines Stoffes in einem bestimmten Volumen oder einer bestimmten Masse eines Gemischs oder einer Lösung bezeichnet, oder die Fähigkeit, die Aufmerksamkeit auf eine bestimmte Aufgabe oder Sache zu richten.ptSubstantivo que designa a quantidade de uma substância em determinado volume ou massa de uma mistura ou solução, ou a capacidade de focar a atenção em uma tarefa ou objeto.zh指溶液中溶质的含量，即一定量溶液或溶剂中所含物质的量；也指注意力高度集中于某一事物或任务的状态。arاسم يدل على كمية المادة المذابة في حجم أو كتلة معينة من مخلوط أو محلول، أو على قدرة العقل على تركيز الانتباه على مهمة أو موضوع محدد.

1. Mental focus B1 formal

   The ability to give all your attention to something without being distracted.

   • The task requires a lot of concentration.
   • She lost her concentration when the phone rang.
   • Meditation can improve your concentration.

   ruКонцентрацияesConcentración mentalfrConcentration (attention focalisée)deKonzentrationptConcentraçãozh专注力arالتركيز الذهني

   Synonymes: absorptionapplicationattentionattentivenessengrossmentfocussingle-mindednessthought

   Antonymes: absentmindednessdistractioninattention

2. Amount of substance B2 formal scientific

   The amount of a substance present in a mixture or solution.

   • The concentration of salt in the water is too high.
   • Scientists measured the concentration of carbon dioxide in the air.
   • High concentrations of the chemical can be dangerous.

   ruКонцентрацияesconcentración (de una sustancia)frConcentration (chimie)deKonzentrationptConcentraçãozh浓度arالتركيز

   Synonymes: contentpotencystrengthtiter

3. Gathering or clustering B2 formal

   A large number of people or things gathered together in one area.

   • There is a high concentration of tech companies in the city.
   • The concentration of troops near the border caused concern.
   • The map shows the concentration of population in urban areas.

   ruСосредоточениеesConcentración de personas o cosasfrConcentration/RegroupementdeAnsammlungptConcentraçãozh聚集arتجمّع

   Synonymes: aggregationassemblybunchclusterclusteringcollectioncongregationcrowdgatheringmass

   Antonymes: dispersaldispersionscatterscattering

• concentrations plural form
• concentrations' possessive plural form
• concentration's possessive singular form